OPTIMASI FERMENTASI BONGGOL POHON PISANG ( Musa Paradisiaca L) MENJADI BIOETANOL DENGAN MENGGUNAKAN METODE RESPON SURFACE

FIRMANSYAH, ILHAM RIAN (2019) OPTIMASI FERMENTASI BONGGOL POHON PISANG ( Musa Paradisiaca L) MENJADI BIOETANOL DENGAN MENGGUNAKAN METODE RESPON SURFACE. Bachelor thesis, UNIVERSITAS MUHAMMADIYAH PURWOKERTO.

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Abstract

The increasing number of human populations results in a large amount of energy consumption. So that using limited amounts of energy derived from fossils is increasing. Bioethanol as a result of fermentation of sugar, starch, or cellulose material is expected to replace petroleum as a fuel because the material is renewable and environmentally friendly. The banana corm in which there is starch, the component of which is a collection of glucose that joins to form a long chain. So that the banana corm is good for making bioethanol. Saccharomyces cerevisiae is a microorganism commonly used for bioethanol fermentation, because it has a high tolerance for alcohol, fast fermentation rate, and produces high ethanol yield. This study aims to obtain the optimum value of ethanol content in the manufacture of bioethanol using banana weevil starch. To get the optimum ethanol level, optimization of the variables that affect the fermentation process is needed, including yeast concentration and time. Variations of each variable are generated from data processing using Minitab 16 software with the response method of surface method. Based on the results of regression analysis and ANOVA, R-sq = 92.55% and p-value <0.05, which means that the two variables tested give a large influence on the amount of reducing sugars produced. And the most optimum reducing sugar at 5.2% yeast concentration and 159 hours long with ethanol content produced as much as 12.244%.

Item Type: Thesis (Bachelor)
Additional Information: Pembimbing: Abdul Haris Mulyadi, S.T., M.T.
Uncontrolled Keywords: banana corm, fermentation, ethanol content, response surface method of central composite design
Subjects: T Technology > TP Chemical technology
Divisions: Fakultas Teknik > Teknik Kimia
Depositing User: Iin Hayuningtyas
Date Deposited: 06 Feb 2019 01:28
Last Modified: 06 Feb 2019 01:28
URI: http://repository.ump.ac.id/id/eprint/8540

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